/*
 * Copyright (C) 2015 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package root.electronclass.electronclass.mvp.base.gson;

import android.util.Log;

import root.electronclass.electronclass.mvp.entity.ApiException;
import com.google.gson.Gson;
import com.google.gson.TypeAdapter;

import org.json.JSONObject;

import java.io.IOException;

import okhttp3.ResponseBody;
import retrofit2.Converter;

final class GsonResponseBodyConverter<T> implements Converter<ResponseBody, T> {
    private final Gson gson;
    private final TypeAdapter<T> adapter;

    GsonResponseBodyConverter(Gson gson, TypeAdapter<T> adapter) {
        this.gson = gson;
        this.adapter = adapter;
    }

    @Override
    public T convert(ResponseBody value) throws IOException {
        String json = value.string();
        int code = 0;
        String message = "";
        try {
            JSONObject object = new JSONObject(json);
            code = object.getInt("code");
            message = object.getString("msg");
        }catch (Exception e){
            e.printStackTrace();
            throw new ApiException(code, message);
        }
        T t;
        try {
            t = adapter.fromJson(json);
        } catch (Exception e) {
            if(code == 401){
                throw new ApiException(code, message);
            }else{
                e.printStackTrace();
                Log.e( "printStackTrace","gson format exception");
                throw new ApiException(0,"");
            }
        } finally {
            value.close();
        }
        return t;
    }
}
